1.Two japonica rices, Wuyujing 3 and 97 7 were used to study changes in contents of soluble protein, free amino acids and endopeptidase activity during photosynthetic declination.
3.So the Earth's axial tilt partially explains why the Sun changes positions in the sky and the analemma's length represents the full 46.8 degrees of the sun's declination throughout the year.